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1442120333 = 7012057233
BaseRepresentation
bin101010111110101…
…0000001010001101
310201111121022012012
41111331100022031
510423140322313
6355033351005
750510551313
oct12575201215
93644538165
101442120333
11680048395
12342b68465
1319ca08454
14d97580b3
1586914da8
hex55f5028d

1442120333 has 4 divisors (see below), whose sum is σ = 1444178268. Its totient is φ = 1440062400.

The previous prime is 1442120327. The next prime is 1442120357. The reversal of 1442120333 is 3330212441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 766016329 + 676104004 = 27677^2 + 26002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442120333 - 212 = 1442116237 is a prime.

It is a super-2 number, since 2×14421203332 = 4159422109704061778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442120299 and 1442120308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442120363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027916 + ... + 1029317.

It is an arithmetic number, because the mean of its divisors is an integer number (361044567).

Almost surely, 21442120333 is an apocalyptic number.

It is an amenable number.

1442120333 is a deficient number, since it is larger than the sum of its proper divisors (2057935).

1442120333 is an equidigital number, since it uses as much as digits as its factorization.

1442120333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057934.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1442120333 is about 37975.2594856177. The cubic root of 1442120333 is about 1129.7972155497.

Adding to 1442120333 its reverse (3330212441), we get a palindrome (4772332774).

The spelling of 1442120333 in words is "one billion, four hundred forty-two million, one hundred twenty thousand, three hundred thirty-three".

Divisors: 1 701 2057233 1442120333